from $600
RegisterCalifornia race calendar
Triathlons and bike races in California
66 upcoming races across 46 cities in California, from first-timer sprint triathlons to half iron races, duathlons, and gravel rides. Dates, distances, and entry fees come straight from race registration and refresh every night.
66
upcoming races
2
this weekend
46
cities
30
triathlons
By distance
By month
Next up in California
The 30 soonest races. Pick a month or distance above for the full list.
October 2026
HART PARK AFTER WORK 5K and MTB SERIES RACE #4
Bakersfield, California5:45 PM start
from $5
Register
from $10
RegisterSGRAIL Marin - Triathlon & Trail Half Marathon
San Rafael, California5:00 PM startTrailOpen water swim
from Free
RegisterGrizzly Gravel & Century Charity Ride
North Fork, California7:00 AM start
from $88
Register
from $40
Register
from $27.93
Register
from $10
Register2026 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K
San Diego, California6:40 AM startOpen water swim
from $46
RegisterAggieathlon (UC Davis Triathlon Club)
Davis, California7:15 AM startPool swim
from $35
Register
from Free
Register
from $15
Register
from Free
Register
from $45
Register
from $125
Register2026 Cal Tri LA - 10.18.26
Playa Del Rey, California7:50 AM startOpen water swim
from Free
RegisterLake Evans Triathlon, 5k & 10k
Bakersfield, California8:45 AM startOpen water swim
from $50
Register
from Free
RegisterBearathlon 2026
Berkeley, California7:00 AM startOpen water swim
from $60
Register
from $25
RegisterFinish The Ride and Finish The Run Santa Clarita
Valencia, California7:00 AM start
from $15
Register
from $165
Registerfrom Free
Register
from $20
RegisterNovember 2026
2026 Optimism Cal Tri Newport Dunes - 11.1.26
Newport Beach, California7:00 AM startOpen water swim
from $43.86
Register2026 Morro Bay Triathlon
Morro Bay, California8:00 AM startOpen water swim
from $60
Register
from $165
Register
from $25
Register
from $40
Register